1. 30a. Percentage of employees who have a high school diploma or higher education, by industry, 2010 (All employment)

2. 30b. Distribution of educational attainment among construction workers, by union status, 2010 (Production workers) % of workers

3. 30c. Distribution of educational attainment among construction workers, by Hispanic ethnicity, 2010 (All employment)

4. 30d. Percentage of workers with access to the Internet, by industry, 2010 (All employment)

5. 30e. Household computer use in construction and all industries, by type of device, 2010 (All employment)